...Portable Angelsounds Pocket Fetal Doppler For Pregnant Women JPD-100S4 Angelsounds Fetal Doppler is a safe and easy to use device that has been specially designed
for use at home, allowing pregnant women to...

... a hand-held obstetrical device for obtaining the fetal heart
movement signals according to Doppler Principle. By recording the fetal heart rate changes, the doctor
can observe the abnormal situations, ...